USN-1663-1: Nova vulnerability

12 December 2012

nova vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.10

Summary

Nova could be made to expose sensitive information.

Software Description

  • nova - OpenStack Compute cloud infrastructure

Details

Eric Windisch discovered that Nova did not properly clear LVM-backed images before they were reallocated which could potentially lead to an information leak. This issue only affected setups using libvirt LVM-backed instances.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.10
python-nova - 2012.2-0ubuntu5.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References